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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_temporal_TemporalFields_h
#define builtin_temporal_TemporalFields_h
#include "mozilla/FloatingPoint.h"
#include <initializer_list>
#include "jstypes.h"
#include "js/RootingAPI.h"
#include "js/TypeDecls.h"
#include "js/Value.h"
class JS_PUBLIC_API JSTracer;
namespace js {
class PlainObject;
}
namespace js::temporal {
enum class TemporalField {
Year,
Month,
MonthCode,
Day,
Hour,
Minute,
Second,
Millisecond,
Microsecond,
Nanosecond,
Offset,
Era,
EraYear,
TimeZone,
};
// Default values are specified in Table 15 [1]. `undefined` is replaced with
// an appropriate value based on the type, for example `double` fields use
// NaN whereas pointer fields use nullptr.
//
// [1] <https://tc39.es/proposal-temporal/#table-temporal-field-requirements>
struct TemporalFields final {
double year = mozilla::UnspecifiedNaN<double>();
double month = mozilla::UnspecifiedNaN<double>();
JSString* monthCode = nullptr;
double day = mozilla::UnspecifiedNaN<double>();
double hour = 0;
double minute = 0;
double second = 0;
double millisecond = 0;
double microsecond = 0;
double nanosecond = 0;
JSString* offset = nullptr;
JSString* era = nullptr;
double eraYear = mozilla::UnspecifiedNaN<double>();
JS::Value timeZone = JS::UndefinedValue();
TemporalFields() = default;
void trace(JSTracer* trc);
};
} // namespace js::temporal
namespace js {
template <typename Wrapper>
class WrappedPtrOperations<temporal::TemporalFields, Wrapper> {
const temporal::TemporalFields& fields() const {
return static_cast<const Wrapper*>(this)->get();
}
public:
double year() const { return fields().year; }
double month() const { return fields().month; }
double day() const { return fields().day; }
double hour() const { return fields().hour; }
double minute() const { return fields().minute; }
double second() const { return fields().second; }
double millisecond() const { return fields().millisecond; }
double microsecond() const { return fields().microsecond; }
double nanosecond() const { return fields().nanosecond; }
double eraYear() const { return fields().eraYear; }
JS::Handle<JSString*> monthCode() const {
return JS::Handle<JSString*>::fromMarkedLocation(&fields().monthCode);
}
JS::Handle<JSString*> offset() const {
return JS::Handle<JSString*>::fromMarkedLocation(&fields().offset);
}
JS::Handle<JSString*> era() const {
return JS::Handle<JSString*>::fromMarkedLocation(&fields().era);
}
JS::Handle<JS::Value> timeZone() const {
return JS::Handle<JS::Value>::fromMarkedLocation(&fields().timeZone);
}
};
template <typename Wrapper>
class MutableWrappedPtrOperations<temporal::TemporalFields, Wrapper>
: public WrappedPtrOperations<temporal::TemporalFields, Wrapper> {
temporal::TemporalFields& fields() {
return static_cast<Wrapper*>(this)->get();
}
public:
double& year() { return fields().year; }
double& month() { return fields().month; }
double& day() { return fields().day; }
double& hour() { return fields().hour; }
double& minute() { return fields().minute; }
double& second() { return fields().second; }
double& millisecond() { return fields().millisecond; }
double& microsecond() { return fields().microsecond; }
double& nanosecond() { return fields().nanosecond; }
double& eraYear() { return fields().eraYear; }
JS::MutableHandle<JSString*> monthCode() {
return JS::MutableHandle<JSString*>::fromMarkedLocation(
&fields().monthCode);
}
JS::MutableHandle<JSString*> offset() {
return JS::MutableHandle<JSString*>::fromMarkedLocation(&fields().offset);
}
JS::MutableHandle<JSString*> era() {
return JS::MutableHandle<JSString*>::fromMarkedLocation(&fields().era);
}
JS::MutableHandle<JS::Value> timeZone() {
return JS::MutableHandle<JS::Value>::fromMarkedLocation(&fields().timeZone);
}
};
} // namespace js
namespace js::temporal {
/**
* PrepareTemporalFields ( fields, fieldNames, requiredFields [ ,
* duplicateBehaviour ] )
*/
bool PrepareTemporalFields(JSContext* cx, JS::Handle<JSObject*> fields,
std::initializer_list<TemporalField> fieldNames,
std::initializer_list<TemporalField> requiredFields,
JS::MutableHandle<TemporalFields> result);
using TemporalFieldNames = JS::StackGCVector<JS::PropertyKey>;
/**
* PrepareTemporalFields ( fields, fieldNames, requiredFields [ ,
* duplicateBehaviour ] )
*/
PlainObject* PrepareTemporalFields(JSContext* cx, JS::Handle<JSObject*> fields,
JS::Handle<TemporalFieldNames> fieldNames);
/**
* PrepareTemporalFields ( fields, fieldNames, requiredFields [ ,
* duplicateBehaviour ] )
*/
PlainObject* PrepareTemporalFields(
JSContext* cx, JS::Handle<JSObject*> fields,
JS::Handle<TemporalFieldNames> fieldNames,
std::initializer_list<TemporalField> requiredFields);
/**
* PrepareTemporalFields ( fields, fieldNames, requiredFields [ ,
* duplicateBehaviour ] )
*/
PlainObject* PreparePartialTemporalFields(
JSContext* cx, JS::Handle<JSObject*> fields,
JS::Handle<TemporalFieldNames> fieldNames);
[[nodiscard]] bool ConcatTemporalFieldNames(
const TemporalFieldNames& receiverFieldNames,
const TemporalFieldNames& inputFieldNames,
TemporalFieldNames& concatenatedFieldNames);
[[nodiscard]] bool AppendSorted(
JSContext* cx, TemporalFieldNames& fieldNames,
std::initializer_list<TemporalField> additionalNames);
[[nodiscard]] bool SortTemporalFieldNames(JSContext* cx,
TemporalFieldNames& fieldNames);
} /* namespace js::temporal */
#endif /* builtin_temporal_TemporalFields_h */
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